package com.atguigu.gulimall.member.exception;

/**
 * @author SuperSong
 * @version 1.0.0
 * @ClassName gulimall.com.atguigu.gulimall.member.exception.UsernameException.java
 * @Description TODO
 * @createTime 2021年07月31日 09:57:00
 */
public class UsernameException extends RuntimeException {
    public UsernameException() {
        super("存在相同的用户名");
    }
}
